SHA256:          "sha256",
	BLAKE2b512:      "blake2b",
	HighwayHash256:  "highwayhash256",
	HighwayHash256S: "highwayhash256S",
}

// New returns a new hash.Hash calculating the given bitrot algorithm.
func (a BitrotAlgorithm) New() hash.Hash {
	switch a {
	case SHA256:
		return sha256.New()
	case BLAKE2b512:
		b2, _ := blake2b.New512(nil) // New512 never returns an error if the key is nil
		return b2

================================================================

github.com/beorn7/perks
https://github.com/beorn7/perks
----------------------------------------------------------------
Copyright (C) 2013 Blake Mizerany

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including